package com.itheima.reggie.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.itheima.reggie.common.R;
import com.itheima.reggie.entity.User;
import com.itheima.reggie.service.UserService;
import com.itheima.reggie.utils.SMSUtils;
import com.itheima.reggie.utils.ValidateCodeUtils;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

import javax.servlet.http.HttpSession;
import java.util.Map;
import java.util.concurrent.TimeUnit;

@Slf4j
@RestController
@RequestMapping("/user")
public class Usercontroller {

    @Autowired
    private UserService userService;
    @Autowired
    private RedisTemplate redisTemplate;

    @PostMapping("/sendMsg")
    public R<String> sendMsg(@RequestBody User user, HttpSession session){
        //获取手机号
        String phone = user.getPhone();

        if (StringUtils.isNotEmpty(phone)){
            //生成随机4位验证码
            String code = ValidateCodeUtils.generateValidateCode(4).toString();
            log.info("code={}",code);

            //调用阿里云提供短信服务API完成短信发送
            SMSUtils.sendMessage("阿里云短信测试","SMS_154950909",phone,code);

//            //需要将生成的验证码保存到Session
//            session.setAttribute(phone,code);

            //将验证码存到redis中
            redisTemplate.opsForValue().set(phone,code,5, TimeUnit.MINUTES);
            return R.success("手机验证码发送成功");
        }
        return R.error("短信发送失败");
    }

    /**
     * 用户登录
     * @param map
     * @param session
     * @return
     */
    @PostMapping("/login")
    public R<User> login(@RequestBody Map<String,String> map,HttpSession session){
        //1获取用户输入验证码
        String code =map.get("code");
        //2.获取Session中存的验证码
        String phone = map.get("phone");
//        String codeInSeession = (String) session.getAttribute(phone);

        String codeInSeession = (String) redisTemplate.opsForValue().get(phone);
        //3.校验验证码是否一致
        if (codeInSeession != null && codeInSeession.equals(code)){
            //3.1判断该用户是否已经注册
            LambdaQueryWrapper<User> lqw = new LambdaQueryWrapper<>();
            lqw.eq(User::getPhone,phone);
            User user = userService.getOne(lqw);
            //3.2若未注册，保存用户信息
            if (user == null){
                user = new User();
                user.setPhone(phone);
                user.setStatus(1);
                userService.save(user);
            }
            //3.3将用户信息保存到session域中
            session.setAttribute("user",user);
            //保存成功
            redisTemplate.delete(phone);
            return R.success(user);
        }
        //验证码错误
        return R.error("验证码输入有误");

    }
}
